VIDEO: Stan Wawrinka Slammed Racquet, Broke It Over His Knee, Then Slammed It Again

Stan Wawrinka defeated Illya Marchenko in four sets today at the US Open, setting up a quarterfinal matchup with Juan Martin del Potro. In the fourth set of today’s match, Marchenko broke Wawrinka’s serve to go up 2-1. Wawrinka destroyed the bejeezus out of his racquet, which, with the benefit of hindsight, paid off, as he’d go on to win the set 6-3.

[H/T Dad]